Electric dental material mixer



FIG. 1 is an oblique, right-front, perspective view of an electric dental material mixer showing my new design;

FIG. 2 is a left side elevational view thereof with the opposite side being substantially the same;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an electric dental material mixer, substantially as shown. 